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Neko [114]
3 years ago
5

Please help me. Please!!

Mathematics
2 answers:
Y_Kistochka [10]3 years ago
7 0

Answer:

B

Step-by-step explanation:

zalisa [80]3 years ago
6 0

Answer:

=  4 - 12x \\

Answer C is correct.

Step-by-step explanation:

- 6( -  \frac{2}{3}  + 2x) \\  \frac{12}{3}  - 12x \\ =  4 - 12x

hope this helps you.

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The graph of f(x)=4/x^2-2x-3 is shown. For which values of x is f(x) decreasing?
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Answer:

did u ever find out?

Step-by-step explanation:

4 0
3 years ago
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COME ON ITS 1 QUESTION FOR 50 POINTS!
ale4655 [162]

Answer:

a = 3

b = 2

c = 0

d = -4

Step-by-step explanation:

Form 4 equations and solve simultaneously

28 = a(2)³ + b(2)² + c(2) + d

28 = 8a + 4b + 2c + d (1)

-5 = -a + b - c + d (2)

220 = 64a + 16b + 4c + d (3)

-20 = -8a + 4b - 2c + d (4)

(1) + (4)

28 = 8a + 4b + 2c + d

-20 = -8a + 4b - 2c + d

8 = 8b + 2d

d = 4 - 4b

Equation (2)

c = -a + b + d + 5

c = -a + b + 4 - 4b+ 5

c = -a - 3b + 9

28 = 8a + 4b + 2c + d (1)

28 = 8a + 4b + 2(-a - 3b + 9) + 4 - 4b

28 = 6a - 6b + 22

6a - 6b = 6

a - b = 1

a = b + 1

220 = 64a + 16b + 4c + d (3)

220 = 64(b + 1) + 16b + 4(-b - 1 - 3b + 9) + 4 - 4b

220 = 60b + 100

60b = 120

b = 2

a = 2 + 1

a = 3

c = -3 - 3(2) + 9

c = 0

d = 4 - 4(2)

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8 0
3 years ago
Read 2 more answers
Classify this triangle by its sides.
HACTEHA [7]

Step-by-step explanation:

ISOCELES TRIANGLE AS IT'S TWO SIDES ARE EQUAL BUT IT'S NOT AN EQUILATERAL TRIANGLE BECAUSE ALL THREE SIDES ARE NOT EQUAL.

4 0
3 years ago
A car traveling at a certain speed will travel 76 feet per second. How many miles will the car travel in 3.1 hours if it maintai
murzikaleks [220]
\sf  \frac{76~ feet}{1~second} \times  \frac{1~mile}{5280~feet} \times  \frac{3600~seconds}{1~hour} =  \frac{51.82~miles}{hour}

51.82 miles in one hour, so 51.28 x 3 = <span>155.46 miles in 3 hours.

Your answer is </span><span>155.46 miles in 3 hours.</span>
6 0
3 years ago
A rubber of length 89m is cut into 3 equal pieces. What is the length of each piece.
borishaifa [10]

Answer: i dont see the answer listed. The answer is 29 ²/₃m

Step-by-step explanation:

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89m ÷ 3 = 29.66666666m

Which concerts to 29²/₃m

4 0
3 years ago
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